Diffuser



FIG. 1 is a front isometric view of a diffuser showing my new design;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a front isometric view of an alternative embodiment of the diffuser showing my design;

FIG. 6 is a rear isometric view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a side elevation view thereof;

FIG. 9 is a front isometric view of an alternative embodiment of the diffuser showing my design;

FIG. 10 is a rear isometric view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a side elevation view thereof.

The broken lines illustrate apertures and form part of the claimed design. 

CLAIM I claim the ornamental design for a diffuser, as shown and described. 